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I agree Apple probably isn’t switching to RISC-V any time soon. I’m just not buying the story that they looked at it, could have done it, passed on it, and that
by chrsw 4y ago
I agree Apple probably isn’t switching to RISC-V any time soon. I’m just not buying the story that they looked at it, could have done it, passed on it, and that’s that.
Even in 2022 it may not be wise to start a huge RISC-V project yet for a company like Apple. It’s not mature enough.
I also agree Apple is not an open friendly company. That’s why I think if they do it then it will likely be loaded with proprietary extensions. So it’s not a matter of simply swapping ISAs, it’s completely rethinking the entire stack. That takes time and expertise. The industry isn’t there yet, not at the scale to support what Apple (and others) would like to do.
- klelatti 4y agoFair enough but in that case what’s missing and stopping them now? Edit: rereading it sounds like you think Apple might want their own (version of) ISA which is reasonable except they already had huge input into A64 and are adding their own extensions already anyway.